USB-RS232 adapter. The ability to connect a cable without turning off the computer to devices such as: satellite tuner, telecommunications exchange programmer, alarm exchange programmer, GSM programmer, PLC controller, router, cash register, console, etc. Option to connect a device via the LPT port. Technical specifications: - compatible with USB 1.2 and 2.0 - support for RS232 serial port (DB25/DB9) - support for transmission up to 1Mbps - support for remote wake-up and power management - compatible with Windows 98/SE/ME/2000/XP/VISTA/7/8